Add 12/21 and 72/98
12/21 + 72/98 is 64/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 21 × 14 = 294,
12/21 = 12 × 14/21 × 14 = 168/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
72/98 = 72 × 3/98 × 3 = 216/294 - Add the two like fractions:
168/294 + 216/294 = 168 + 216/294 = 384/294 - 384/294 simplified gives 64/49
- So, 12/21 + 72/98 = 64/49
In mixed form: 115/49
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